DOCSP-44181 -- remove public preview banner (#706)

* DOCSP-42891 -- remove public preview banner

* DOCSP-42891 -- fix title underline

Author: jvincent-mongodb

source/atlas-cli-deploy-docker.txt

@@ -20,18 +20,10 @@ This tutorial shows you how to create a local |service| deployment with
 Docker. In this tutorial, we will deploy a single-node replica set with 
 Docker.
 
-.. important:: Public Preview
-
-   Local deployments in Docker and Docker Compose 
-   are available as a Public Preview. The feature and corresponding 
-   documentation may change at any time in the Public Preview stage. To 
-   ask questions and provide feedback, see the `{+atlas-cli+} 
-   Local Development Community Forum <https://www.mongodb.com/community/forums/tag/local-dev-atlas-cli>`__.
-
 .. _atlas-cli-deploy-docker-setup:
 
 Create a Local |service| Deployment with Docker
--------------------------------------------
+-----------------------------------------------
 
 .. procedure::
    :style: normal